ACI WRITTEN ACTUAL EXAM 2026
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
◉ The temperature measureing device shall have a capacity of
measuring temperature of freshly mixed conrcrete to +-_____ degrees F
throught a range of _____. Answer: 1(.5 degrees C), 30-120 (0-50
degrees C)
◉ The temperature measuring device shall be calibrated____, or
whenever there is a question of _____. Answer: annually, accuracy
◉ The temp of concrete may be measured in a wheelbarrow. Answer:
true
◉ the temp of concrete may be measured in a wall form. Answer: true
◉ A composite sample of concrete is required even if the only purpose
for obtaining the sample is to determine temp.. Answer: false
◉ What must be done to the sample container prior to sampling the
concrete. Answer: dampen (with water)
,◉ what must be done to the concrete surrounding the temp measuring
device after the device has submerged. Answer: Press concrete around
measuring device
◉ How long must the temp device remain in the concrete. Answer: at
least 2 minutes (but no more than 5)
◉ After temp of concrete is read, what then is required. Answer:
reporting of temp
◉ the temp of concrete to be measured to the nearest ____degree F.
Answer: 1 (.5 degree C)
◉ According to the ASTM C1064 what is one reason to take the temp of
concrete. Answer: verify conformance to a specified requirement for
temp
◉ A max temp of concrete is specified in ASTM C1064. Answer: False
◉ The sample of concrete used for temp determination must be rodded
25 times. Answer: False
, ◉ Sampling by this method is required when tests are to be made to
determine ____ with specification requirements. Answer: compliance
◉ The method covers sampling from four types of mixers which are
_____, _____, ____, and _______. Answer: stationary mixes, paving
mixers, revolving drum mixers and open top mixers
◉ The maximum allowable time between obtaining the first and final
portions of a composite sample is ______ minutes. Answer: 15
◉ Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. Answer: True
◉ The maximum elapsed time allowed between obtaining the final
portion of the composite sample and beginning the tests for slump, temp,
and air content is ______ minutes. Answer: 5
◉ the molding of strength test specimens shall begin within ____
minutes after fabricating the composite sample. Answer: 15
◉ The concrete sample must be protected from contamination and ____.
Answer: rapid evaporation
◉ The minimum size sample test specimen is. Answer: 28 L (1ft^3)
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
◉ The temperature measureing device shall have a capacity of
measuring temperature of freshly mixed conrcrete to +-_____ degrees F
throught a range of _____. Answer: 1(.5 degrees C), 30-120 (0-50
degrees C)
◉ The temperature measuring device shall be calibrated____, or
whenever there is a question of _____. Answer: annually, accuracy
◉ The temp of concrete may be measured in a wheelbarrow. Answer:
true
◉ the temp of concrete may be measured in a wall form. Answer: true
◉ A composite sample of concrete is required even if the only purpose
for obtaining the sample is to determine temp.. Answer: false
◉ What must be done to the sample container prior to sampling the
concrete. Answer: dampen (with water)
,◉ what must be done to the concrete surrounding the temp measuring
device after the device has submerged. Answer: Press concrete around
measuring device
◉ How long must the temp device remain in the concrete. Answer: at
least 2 minutes (but no more than 5)
◉ After temp of concrete is read, what then is required. Answer:
reporting of temp
◉ the temp of concrete to be measured to the nearest ____degree F.
Answer: 1 (.5 degree C)
◉ According to the ASTM C1064 what is one reason to take the temp of
concrete. Answer: verify conformance to a specified requirement for
temp
◉ A max temp of concrete is specified in ASTM C1064. Answer: False
◉ The sample of concrete used for temp determination must be rodded
25 times. Answer: False
, ◉ Sampling by this method is required when tests are to be made to
determine ____ with specification requirements. Answer: compliance
◉ The method covers sampling from four types of mixers which are
_____, _____, ____, and _______. Answer: stationary mixes, paving
mixers, revolving drum mixers and open top mixers
◉ The maximum allowable time between obtaining the first and final
portions of a composite sample is ______ minutes. Answer: 15
◉ Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. Answer: True
◉ The maximum elapsed time allowed between obtaining the final
portion of the composite sample and beginning the tests for slump, temp,
and air content is ______ minutes. Answer: 5
◉ the molding of strength test specimens shall begin within ____
minutes after fabricating the composite sample. Answer: 15
◉ The concrete sample must be protected from contamination and ____.
Answer: rapid evaporation
◉ The minimum size sample test specimen is. Answer: 28 L (1ft^3)
